Question

simplify the xpression and find the value if x is equal to 2
$3(x + 2) +5(x - 7)$
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Answer 1

$\longrightarrow\sf{ 3(x + 2) + 5( x - 7)}$

Pu the value of x as 2 in the expression.

$\longrightarrow\sf{ 3(2 + 2) + 5( 2 - 7)}$

$\longrightarrow\sf{ 3\times 4 + 5\times (-5)}$

$\longrightarrow\sf{ 12 + (-25)}$

$\longrightarrow\sf{ 12 - 25}$

$\longrightarrow\sf{-13 }$